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Heat Transfer Research

Publicado 18 números por año

ISSN Imprimir: 1064-2285

ISSN En Línea: 2162-6561

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.7 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.4 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.6 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00072 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.43 SJR: 0.318 SNIP: 0.568 CiteScore™:: 3.5 H-Index: 28

Indexed in

Problems of Vortex Dynamics in the Thermal Physics of Power Plants

Volumen 37, Edición 4, 2006, pp. 321-348
DOI: 10.1615/HeatTransRes.v37.i4.40
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SINOPSIS

The first section gives examples of flows with the formation of determinate vortex structures characteristic of power-generating plants. An approach to the solution of collector problems for nuclear reactors of the type of fast-neutron and water-moderated water-cooled power reactors is proposed. It is shown that the efficiency of swirling-flow apparatuses strongly depends on the internal vortex structure and the possibility of purposefully changing this structure. The results of the experimental investigations on visualization of large-scale structures in vortex tubes (Ranque effect) performed in the last few years have been analyzed. The features of the jet flow past curvilinear surfaces and the conditions for the formation of the vortex structure of boundary layers have been considered. The features of the vortex formation on surfaces with positive (Coanda effect) and negative (Taylor-Görtler vortices) curvature are considered.
The second section considers the mechanism of whirl generation and the conditions for the formation and stability of determinate vortex structures. The questions of the fundamental properties of the vorticity, vortex boundaries, and the influence of viscosity are considered. Such notions as helicity, helical flow, α-effect that are key notions in developing physical models of vortex flows are considered.
The third section presents an overview of the traditional approaches and the new trends in the development of methods for mathematical modeling of complex vortex flows. Examples of using helical turbulence models for describing the process of development of large-scale vortex structures are given. The general concept of constructing mathematical models that has made it possible to develop practically important engineering methods for calculating the hydrodynamics and the heat exchange in circular channels and tubes with vortex generators of different geometries has been considered in more detail, which permits using these methods to optimize the geometry of swirlers.
In conclusion, as an illustration of the thesis on the possibility of developing more efficient power systems, the question of the role of vortex structures in providing the vital activity of living organisms has been considered.

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